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Get started12 Hartsgrove Avenue is a three-bedroom detached house in Blackfield, Southampton, Southampton (SO45 1WG). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (July 2019) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
On a £-per-square-foot basis, the last sale (£327/sq ft) was about 26.7% above the typical sold price in the postcode. Last sale on file: £433,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
12 Hartsgrove Avenue's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£447,000
Modelled from EPC, postcode comparables.
£433,000
Recorded with HM Land Registry.
On epc rating, 12 Hartsgrove Avenue runs well behind the street norm.
Price per m²
£3,520
Street avg £3,524
Floor Area
123 m²
Street avg 120 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
46.5dB

29 September 2021Most recent
£433,000
Median price across the last 5 sales in SO45 1WG: £450,000 (2025–2022).
11 Hartsgrove Avenue Blackfield Southampton
Sold May 2025
8 Hartsgrove Avenue Blackfield Southampton
Sold Mar 2025
13 Hartsgrove Avenue Blackfield Southampton
Sold Oct 2024
1 Hartsgrove Avenue Blackfield Southampton
Sold Sept 2024
1a Hartsgrove Avenue Blackfield Southampton
Sold Apr 2022
CO₂ Emissions
6.0 t/year
Street avg 4.5 t/year
SO45 1DA
Blackfield Crossroads — bus stop.
Closest school
0.3 km
Blackfield Primary and Nursery School. 5 schools nearby.
Night-time· 23:00 – 07:00
37.0dB
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